OSSF INSTALLER Exam 2 fully solved & updated
2025-2026(latest version verified for accuracy)
(Questions + Answers) Solved 100% Correct
The primary threat from malfunctioning OSSF systems is
water born disease
Wastewater disposal and OSSF systems are regulated in
order to protect
Public health and environment
A ______ is a disease-causing microorganism
Pathogen
A groundwater chemical contaminant that can result from
septic tanks and leachfields is which can cause_____in
infants
Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in
1989 Sept
The state agency responsible for regulating OSSF is
TECQ
The desired method or level of OSSF regulation in Texas is
_______regulation
Local
pH measures whether wastewater is ______\or_________
Acidity Basicity
List six diseases that might be transmitted by inadequately
treated sewage .
Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD
Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
Identify the most common chemical elements of sewage
, Solids
Gases
Fats and greases
DO
BOD
PH
What is the criteria that can be used to determine if a
subsurface OSSF system is functioning properly ?
The Plumbing system must drain
No Water is surfacing or pooling above ground
There are no odors
The waste water must receive nearly complete treatment
List the soil treatment mechanisms important in treating
wastewater
filtering or straining
Adsorption
Biological
The is authorized to review permit applications , site
evaluations , planning materials and conduct inspections of
OSSFs .
a . installer
b . site evaluator
c . maintenance technician
d . Designated representative
d . Designated representative
An individual who holds a valid license from TCEQ and who
is compensated by another individual to construct install ,
alter , or repair an OSSF is a ( n )
a . Installer
b . apprentice
c . authorized agent
d . maintenance provider
a . Installer
2025-2026(latest version verified for accuracy)
(Questions + Answers) Solved 100% Correct
The primary threat from malfunctioning OSSF systems is
water born disease
Wastewater disposal and OSSF systems are regulated in
order to protect
Public health and environment
A ______ is a disease-causing microorganism
Pathogen
A groundwater chemical contaminant that can result from
septic tanks and leachfields is which can cause_____in
infants
Nitrates and methoemoglobinmia
Statewide regulation of OSSF began in
1989 Sept
The state agency responsible for regulating OSSF is
TECQ
The desired method or level of OSSF regulation in Texas is
_______regulation
Local
pH measures whether wastewater is ______\or_________
Acidity Basicity
List six diseases that might be transmitted by inadequately
treated sewage .
Typhoid Paratyphoid Polio meningitis Hepatitis Cholera
Identify the following terms TSS DO BOD
Total Suspended solids
Dissolved Oxygen
Biochemical oxygen demand
Identify the most common chemical elements of sewage
, Solids
Gases
Fats and greases
DO
BOD
PH
What is the criteria that can be used to determine if a
subsurface OSSF system is functioning properly ?
The Plumbing system must drain
No Water is surfacing or pooling above ground
There are no odors
The waste water must receive nearly complete treatment
List the soil treatment mechanisms important in treating
wastewater
filtering or straining
Adsorption
Biological
The is authorized to review permit applications , site
evaluations , planning materials and conduct inspections of
OSSFs .
a . installer
b . site evaluator
c . maintenance technician
d . Designated representative
d . Designated representative
An individual who holds a valid license from TCEQ and who
is compensated by another individual to construct install ,
alter , or repair an OSSF is a ( n )
a . Installer
b . apprentice
c . authorized agent
d . maintenance provider
a . Installer
